Explanation

Fe = 56, N = 14 × 2 = 28, O = 16 × 6 = 96 → Total = 56 + 28 + 96 = 180 amu

This is the correct formula mass for Iron (II) Nitrate, Fe(NO₃)₂.

Explanation

اسم معرفہ وہ اسم ہوتا ہے جو کسی خاص چیز، جگہ یا فرد کی نشاندہی کرے۔

چنبیلی ایک خاص پھول کا نام ہے، اس لیے یہ اسم معرفہ ہے۔

Explanation

Monosaccharides are the simplest form of carbohydrates.

They are called simple sugars because they cannot be broken down into smaller sugar units.

Explanation

Answer means a reply or response, usually cooperative.

Defiance means refusal or resistance to respond or obey.

Answer means جواب

Defiance means انکار

Explanation

Given the equation x^2 + y^2 = 1, the range of y values is [-1, 1] since y ranges from -1 to 1 as x varies.

Explanation

"Grew" here does not describe a physical action.

But instead connects the subject ("She") to its complement ("a lively young woman"), showing a state of transformation.

Linking verbs (e.g., become, seem, appear) tie the subject to a description or identity.

Unlike action verbs (e.g., run, jump).

Explanation

Using the identify 2 sin A cos A = sin 2A, so 2 sin 45° cos 45° = sin 90°.

Since sin 90° = 1, the expression equals 1.

Explanation

A spectrometer is an instrument used to measure the properties of light over a specific portion of the electromagnetic spectrum, especially to analyze line spectra produced by atoms or molecules.

It helps identify elements or compounds by detecting their unique emission or absorption lines in the spectrum.

Explanation

The argument of the product of two complex numbers is the sum of their arguments.

This property comes from the multiplication of complex numbers in polar form.

Explanation

Assembly language is a low-level programming language that is just one step above machine language (binary code).

It uses mnemonics to represent machine instructions, making it easier for humans to read and write compared to raw machine code.